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- La ecuación:
-
Ecuación 2x^2-x-1=x^2-5x-(-1-x^2)
-
Ecuación x^2-5x=0
-
Ecuación x^2+4=5x
- Ecuación x^4-35*x^2-36=0
- Expresar {x} en función de y en la ecuación:
- -6*x-20*y=8
- -17*x-15*y=-17
- -6*x-10*y=19
- -9*x+11*y=9
-
Expresiones idénticas
- cos7x-cos9x-sinx= cero
- coseno de 7x menos coseno de 9x menos seno de x es igual a 0
- coseno de 7x menos coseno de 9x menos seno de x es igual a cero
- cos7x-cos9x-sinx=O
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Expresiones semejantes
- cos7x+cos9x-sinx=0
- cos7x-cos9x+sinx=0
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Expresiones con funciones
- sinx
- sinx+sin3x=2sin2x
- sinx*sin(5*x)=cos(4*x)
- sinx/2(cos2x+1)=0
- sinx/(1+cosx)+sinx/(1-соsx)=0
- sinx⋅cosx=3/√2sinx
cos7x-cos9x-sinx=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
cos(7*x) - cos(9*x) - sin(x) = 0
$$\left(\cos{\left(7 x \right)} - \cos{\left(9 x \right)}\right) - \sin{\left(x \right)} = 0$$
Respuesta numérica
[src]
x1 = -25.852689545166
x2 = 98.2402202716308
x3 = -2.02894525544341
x4 = -93.9205303729449
x5 = 88.030044147464
x6 = -21.9911485751286
x7 = 21.9911485751286
x8 = -75.8563726148035
x9 = 96.1458251692376
x10 = -15.707963267949
x11 = -95.7531260875389
x12 = 84.1030533304768
x13 = 6.28318530717959
x14 = -33.7066711791405
x15 = -47.8438381202946
x16 = -17.7369085233924
x17 = 52.1635280189805
x18 = -69.8349866954231
x19 = 22.3183978098775
x20 = -73.7619775124104
x21 = -7.7885317870247
x22 = -42.3460509765124
x23 = 38.0263610778265
x24 = 28.2743338823081
x25 = 5.03963821513363
x26 = -24.020093830572
x27 = -49.9382332226878
x28 = -57.7922148566622
x29 = 40.1207561802197
x30 = -53.865224039675
x31 = 63.9445004699422
x32 = 19.9622033196851
x33 = 80.1760625134895
x34 = -55.697819754269
x35 = 85.9356490450708
x36 = 54.2579231213737
x37 = -79.7833634317908
x38 = 32.2667745462452
x39 = 34.0993702608392
x40 = -51.7708289372818
x41 = 72.2566310325652
x42 = 58.184913938361
x43 = 74.1546765941091
x44 = -87.8991444535644
x45 = 62.1119047553482
x46 = -37.6991118430775
x47 = 16.0352125026979
x48 = -64.0754001638418
x49 = -43.9822971502571
x50 = 41.9533518948137
x51 = -5.95593607243065
x52 = -81.6814089933346
x53 = 44.0477469972069
x54 = -46.0112424057005
x55 = 100.072815986225
x56 = -68.0023909808291
x57 = 26.2453886268647
x58 = -35.8010662815337
x59 = -65.9734457253857
x60 = -83.710354248778
x61 = -31.8740754645464
x62 = 0.0
x63 = 56.0905188359678
x64 = 91.106186954104
x65 = 48.2365372019933
x66 = 43.9822971502571
x67 = -71.9293817978163
x68 = 36.1937653632324
x69 = -39.7280570985209
x70 = 76.2490716965023
x71 = 66.0388955723354
x72 = 78.0816674110963
x73 = 60.017509652955
x74 = -11.7155226040119
x75 = 8.18123086872342
x76 = -13.8099177064051
x77 = 50.2654824574367
x78 = 94.2477796076938
x79 = -29.7796803621532
x80 = -89.9935395559576
x81 = -59.6902604182061
x82 = 70.2276857771218
x83 = 18.1296076050911
x84 = -77.6889683293976
x85 = -99.418317516727
x86 = 12.1082216857107
x87 = -86.0665487389704
x88 = -61.7192056736495
x89 = 14.2026167881039
x90 = -3.86154097003745
x91 = 15.707963267949
x92 = -91.8261352705517
x93 = 30.172379443852
x94 = 82.0086582280836
x95 = -9.88292688941789
x96 = 92.2188343522504
x97 = 10.2756259711166
x98 = 72.5838802673142
x99 = -97.8475211899321
x100 = -27.9470846475592
x100 = -27.9470846475592